#-------------------------------------------------------------
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.
#
#-------------------------------------------------------------

args<-commandArgs(TRUE)
options(digits=22)
library("Matrix")
library("caret")

X = as.matrix(readMM(paste(args[1], "A.mtx", sep="")))
colnames(X) = colnames(X, do.NULL=FALSE, prefix="C") 
Y1 = preProcess(X, method="range");
Y2 = predict(Y1, X);	
writeMM(as(Y2, "CsparseMatrix"), paste(args[2], "B", sep="")); 
 